Can't get ACE 250 back up and running after batteries leaked.

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JoeSmith
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Can't get ACE 250 back up and running after batteries leaked.

Post by JoeSmith » Mon Nov 25, 2019 1:58 pm

Hi All
I've had my Ace 250 for several years now. I bought it second hand and it worked faultlessly. When I lived in France, I lent it to a neighbour but it turned into a long-term lend as they got ill and passed away and I moved back to the UK. But I just got it back. Unfortunately the batteries had leaked in it.
I cleaned it up best I could over the weekend with vinegar to fizz away the residue and dried it all out and cleaned what I could and inserted 4 x new AA Duracells. I reassembled it but all I get now when it powers on is a single beep and all screen options light up but after about a second, I get a double beep and it powers off. This is regardless of whether the lead to the coil is attached. Can anyone suggest anything I can do to get it back up and running? I've arranged to use it at a friend's tomorrow morning and it'll be a bit embarrassing if it's dead. I can't find anything in the trouble shooting section of any online manuals. If I hold the power button down for a few seconds, I do get a double beep as though it's reset and if I hold down any other button when it powers on, it won't power off but it won't do anything else either until I release the button then it powers off. It's really strange.
I've posted this in another forum so apologies if you saw it elsewhere. I'd really appreciate any help though.



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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by Fusion » Mon Nov 25, 2019 2:49 pm

You're going to have to dismantle it, and look for signs of corrosion on the circuit board. The board can be washed with water, and brushed with an old toothbrush, cotton buds, etc. Dry it as well as you can with paper tissue etc, then put it somewhere warm for a few days, like an airing cupboard, to dry it properly.

JoeSmith
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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by JoeSmith » Mon Nov 25, 2019 3:21 pm

Thanks Fusion.
I did take it down to the circuit board. I'm encouraged to hear it can be soaked in water and cleaned. The only sign of anything that looks worn is one of the contact pads where the contact for one of the battery terminals. I cleaned that up best I could with an eraser on the end of a pencil. Everything else looked OK. I'll stick it all in the airing cupboard to see what happens. Thank you.

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maylandmanta
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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by maylandmanta » Mon Nov 25, 2019 3:36 pm

Switch/Contact cleaner and a toothbrush are good for corrosion issues .Also give the battery contacts a light clean with an emery board,nail file or similar as they often become oxidised after battery leaks which causes a high resistance so the circuit board does not get full power from the new batteries.If the shiny tinned surface of the battery contacts looks dull or pitted chances are that this has happened. Having cleaned with vinegar this may have added to the oxidation where the tinned surface is missing.

Steve

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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by stuartc44 » Mon Nov 25, 2019 5:15 pm

If cleaning the circuit board I would use isoproply alchohol and toothbrush not water. It is used a lot for cleaning electronics as it evaporates at a low temperature.
Stuart.
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JoeSmith
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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by JoeSmith » Tue Nov 26, 2019 6:52 am

Thank you for the advice. I cleaned the contacts with wire wool last night but they're still not shining.
maylandmanta wrote:
Mon Nov 25, 2019 3:36 pm
they often become oxidised after battery leaks which causes a high resistance so the circuit board does not get full power from the new batteries.If the shiny tinned surface of the battery contacts looks dull or pitted chances are that this has happened. Having cleaned with vinegar...

Steve
Thanks Steve, I think new contacts may be in order.

Can anywhere suggest a place I can get these?

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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by GeorgeMK » Tue Nov 26, 2019 11:31 am

I don’t know what the contacts look like in the Ace 250, but you might be able to take the contacts out of a cheap battery operated item from a charity shop (clock, toy, lamp, etc) and use them as replacements.

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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by Keef the Frog » Tue Nov 26, 2019 11:56 am

JoeSmith wrote:
Tue Nov 26, 2019 6:52 am
Thank you for the advice. I cleaned the contacts with wire wool last night but they're still not shining.
maylandmanta wrote:
Mon Nov 25, 2019 3:36 pm
they often become oxidised after battery leaks which causes a high resistance so the circuit board does not get full power from the new batteries.If the shiny tinned surface of the battery contacts looks dull or pitted chances are that this has happened. Having cleaned with vinegar...

Steve
Thanks Steve, I think new contacts may be in order.

Can anywhere suggest a place I can get these?

Regton's https://regton.com/catalogsearch/advanc ... cturer[]=5
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JoeSmith
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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by JoeSmith » Tue Nov 26, 2019 6:20 pm

Many thanks for all the advice here.

I've ordered new contacts from Regton who seemed very helpful and friendly. Fingers crossed the weather will clear up and I'll get out there with it!

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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by Wansdyke44 » Wed Nov 27, 2019 12:17 pm

Hope you get up and running soon.
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JoeSmith
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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by JoeSmith » Tue Jan 07, 2020 5:27 pm

Hi All

Thanks for all the help on this thread so far. I'm at a loss with it now and I think I'm going to have to send it away for repair. It's now sort of dead. When I power it on, nothing happens other than a very faint, high pitched sound from the speaker. It's almost inaudible but it's using battery power. Sunday morning however, I was woken up by it beeping occasionally as though it had found some iron. It was downstairs standing against a wall where it had been undisturbed for about 24 hours. The screen was even displaying things but it didn't make sense as it wasn't detecting. I'm lost. I live in mid-Devon...can anyone suggest where I could take it to or even send it?
Many thanks in advance.
Joe

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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by lonecoiler » Tue Jan 07, 2020 6:16 pm

Have you considered that the person you lent the 250 to may have dropped it or stored it somewhere inappropriate ie garden shed in winter. Try for an estimate before committing to repairs. :;@
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JoeSmith
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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by JoeSmith » Tue Jan 07, 2020 6:43 pm

It's a possibility I guess but there's no way of knowing as he's not around any more to ask. I'll certainly get a quote first. Many thanks.

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maylandmanta
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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by maylandmanta » Tue Jan 07, 2020 7:48 pm

Still sounds like some sort of power issue. Have you tried disconnecting the coil and powering it up to see if any different ? , as the coil if faulty could be shorting the control box.

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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by Oxgirl36 » Tue Jan 07, 2020 8:06 pm

JoeSmith wrote:
Tue Jan 07, 2020 5:27 pm
I live in mid-Devon...can anyone suggest where I could take it to or even send it?
Many thanks in advance.
Joe
Still Regtons. You can remove the control box and just send that to them. They’ll turn it round fast normally. Call them first to get advice ::g
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JoeSmith
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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by JoeSmith » Wed Jan 08, 2020 1:59 pm

Thank you. I'll give them a shout. I'm hoping it's something simple because (I'm hoping) it was just a battery leak that I tried to clean up. The guy I lent it to was honest and careful with other peoples' stuff.

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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by Splash » Thu Jan 09, 2020 7:03 am

If it was DURACELL batteries that caused the problem contact DURACELL.
They cover any item that is damaged by their batteries that leak ::g ::g ::g

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Re: Can't get ACE 250 back up and running after batteries leaked.

Post by Bors » Thu Jan 09, 2020 7:12 am

An unsympathetic thought possibly towards the detector ,but wouldn`t it be easier to just buy another detector rather than be reaching for the defibrillator, as the one your talking about is knocking on a bit now and you could end up chucking good money after bad,and just maybe its time for a "new boy on the block " to appear ? :D
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